Base | Representation |
---|---|
bin | 1010011111100… |
… | …11101110000111 |
3 | 20010122101120121 |
4 | 11033303232013 |
5 | 140013430322 |
6 | 12422442411 |
7 | 2116146325 |
oct | 517635607 |
9 | 203571517 |
10 | 88030087 |
11 | 45766342 |
12 | 25593407 |
13 | 15312412 |
14 | b996d15 |
15 | 7adcec7 |
hex | 53f3b87 |
88030087 has 4 divisors (see below), whose sum is σ = 88207000. Its totient is φ = 87853176.
The previous prime is 88030079. The next prime is 88030099. The reversal of 88030087 is 78003088.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 88030087 - 23 = 88030079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88030037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87708 + ... + 88705.
It is an arithmetic number, because the mean of its divisors is an integer number (22051750).
Almost surely, 288030087 is an apocalyptic number.
88030087 is a deficient number, since it is larger than the sum of its proper divisors (176913).
88030087 is a wasteful number, since it uses less digits than its factorization.
88030087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176912.
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 88030087 is about 9382.4350250881. The cubic root of 88030087 is about 444.8467039204.
The spelling of 88030087 in words is "eighty-eight million, thirty thousand, eighty-seven".
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